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COMPGEOM
2009
ACM
15 years 4 months ago
2009
ACM
We study the problem of computing zigzag persistence of a sequence of homology groups and study a particular sequence derived from the levelsets of a real-valued function on a top...
KDD
2007
ACM
15 years 10 months ago
2007
ACM
In analyzing data from social and communication networks, we encounter the problem of classifying objects where there is an explicit link structure amongst the objects. We study t...
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JCDL
2009
ACM
15 years 4 months ago
2009
ACM
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
SIGSOFT
2007
ACM
15 years 10 months ago
2007
ACM
A software system interacts with third-party libraries through various APIs. Using these library APIs often needs to follow certain usage patterns. Furthermore, ordering rules (sp...
KDD
2009
ACM
15 years 10 months ago
2009
ACM
In recent years, the number of patents filed by the business enterprises in the technology industry are growing rapidly, thus providing unprecedented opportunities for knowledge d...